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Discontinuous Galerkin (DG) methods for hyperbolic partial differential equations (PDEs) with explicit time-stepping schemes, such as strong stability-preserving Runge-Kutta (SSP-RK), suffer from time-step restrictions that are…

数值分析 · 数学 2019-03-11 Pierson T. Guthrey , James A. Rossmanith

Simulating fluid flows in different virtual scenarios is of key importance in engineering applications. However, high-fidelity, full-order models relying, e.g., on the finite element method, are unaffordable whenever fluid flows must be…

流体动力学 · 物理学 2021-11-24 Stefania Fresca , Andrea Manzoni

In recent years, there has been a rapid development of spatio-temporal prediction techniques in response to the increasing demands of traffic management and travel planning. While advanced end-to-end models have achieved notable success in…

机器学习 · 计算机科学 2023-11-09 Zhonghang Li , Lianghao Xia , Yong Xu , Chao Huang

This study proposes a new discrete neural operator for surrogate modeling of transient Darcy flow fields in heterogeneous porous media with random parameters. The new method integrates temporal encoding, operator learning and UNet to…

数值分析 · 数学 2025-12-04 Zhenglong Chen , Zhao Zhang , Xia Yan , Jiayu Zhai , Piyang Liu , Kai Zhang

Traffic forecasting, which benefits from mobile Internet development and position technologies, plays a critical role in Intelligent Transportation Systems. It helps to implement rich and varied transportation applications and bring…

机器学习 · 计算机科学 2023-10-26 Chengzhi Yao , Zhi Li , Junbo Wang

Variational autoencoder (VAE) architectures have the potential to develop reduced-order models (ROMs) for chaotic fluid flows. We propose a method for learning compact and near-orthogonal ROMs using a combination of a $\beta$-VAE and a…

The effectiveness of data-driven techniques heavily depends on the input signal used to generate the estimation data. However, a significant research gap exists in the field of input design for nonlinear dynamic system identification. In…

系统与控制 · 电气工程与系统科学 2025-08-05 Max Herkersdorf , Oliver Nelles

Recent research in non-intrusive data-driven model order reduction (MOR) enabled accurate and efficient approximation of parameterized ordinary differential equations (ODEs). However, previous studies have focused on constant parameters,…

动力系统 · 数学 2021-10-27 Jonas Kneifl , Julian Hay , Jörg Fehr

We present a motion planner for planning through space-time with dynamic obstacles, velocity constraints, and unknown arrival time. Our algorithm, Space-Time RRT* (ST-RRT*), is a probabilistically complete, bidirectional motion planning…

机器人学 · 计算机科学 2022-03-07 Francesco Grothe , Valentin N. Hartmann , Andreas Orthey , Marc Toussaint

Recent works in end-to-end control for autonomous driving have investigated the use of vision-based exteroceptive perception. Inspired by such results, we propose a new end-to-end memory-based neural architecture for robot steering and…

机器人学 · 计算机科学 2022-05-25 Sergio Paniego Blanco , Sakshay Mahna , Utkarsh A. Mishra , JoseMaria Canas

Stochastic differential equations (SDEs) and stochastic partial differential equations (SPDEs) are fundamental for modeling stochastic dynamics across the natural sciences and modern machine learning. Learning their solution operators with…

机器学习 · 计算机科学 2026-01-30 Dai Shi , Lequan Lin , Andi Han , Luke Thompson , José Miguel Hernández-Lobato , Zhiyong Wang , Junbin Gao

Research on autonomous surgery has largely focused on simple task automation in controlled environments. However, real-world surgical applications demand dexterous manipulation over extended durations and generalization to the inherent…

Neural differential equations offer a powerful framework for modeling continuous-time dynamics, but forecasting stiff biophysical systems remains unreliable. Standard Neural ODEs and physics informed variants often require orders of…

With the explosive growth of rigid-body simulators, policy learning in simulation has become the de facto standard for most rigid morphologies. In contrast, soft robotic simulation frameworks remain scarce and are seldom adopted by the soft…

机器人学 · 计算机科学 2025-11-11 Andrew Choi , Dezhong Tong

Solving partial differential equations (PDEs) efficiently and accurately remains a cornerstone challenge in science and engineering, especially for problems involving complex geometries and limited labeled data. We introduce a Physics- and…

机器学习 · 计算机科学 2025-08-14 Subhankar Sarkar , Souvik Chakraborty

Neuromorphic computing holds the promise to achieve the energy efficiency and robust learning performance of biological neural systems. To realize the promised brain-like intelligence, it needs to solve the challenges of the neuromorphic…

神经与进化计算 · 计算机科学 2023-09-12 Huajin Tang , Pengjie Gu , Jayawan Wijekoon , MHD Anas Alsakkal , Ziming Wang , Jiangrong Shen , Rui Yan

Human demonstrations as prompts are a powerful way to program robots to do long-horizon manipulation tasks. However, translating these demonstrations into robot-executable actions presents significant challenges due to execution mismatches…

机器人学 · 计算机科学 2025-04-01 Kushal Kedia , Prithwish Dan , Angela Chao , Maximus Adrian Pace , Sanjiban Choudhury

In this paper we consider time-dependent PDEs discretized by a special class of Physics Informed Neural Networks whose design is based on the framework of Runge--Kutta and related time-Galerkin discretizations. The primary motivation for…

数值分析 · 数学 2026-02-10 Georgios Akrivis , Charalambos G. Makridakis , Costas Smaragdakis

Rapidly developing machine learning methods has stimulated research interest in computationally reconstructing differential equations (DEs) from observational data which may provide additional insight into underlying causative mechanisms.…

机器学习 · 计算机科学 2026-05-12 Mingtao Xia , Xiangting Li , Qijing Shen , Tom Chou

The metro ridership prediction has always received extensive attention from governments and researchers. Recent works focus on designing complicated graph convolutional recurrent network architectures to capture spatial and temporal…

机器学习 · 计算机科学 2021-07-13 Chuyu Huang